r1737: Initial MCL version.

[uffi.git] / src / mcl / functions.cl

diff --git a/src/mcl/functions.cl b/src/mcl/functions.cl
new file mode 100644 (file)
index 0000000..35bca59
--- /dev/null
+++ b/src/mcl/functions.cl
@@ -0,0 +1,69 @@
+;;;; -*- Mode: ANSI-Lisp; Syntax: ANSI-Common-Lisp; Base: 10; Package: UFFI -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name:          function.cl
+;;;; Purpose:       UFFI source to C function defintions
+;;;; Programmer:    Kevin M. Rosenberg
+;;;; Date Started:  Feb 2002
+;;;;
+;;;; $Id: functions.cl,v 1.1 2002/04/04 05:01:45 desoi Exp $
+;;;;
+;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
+;;;;
+;;;; UFFI users are granted the rights to distribute and use this software
+;;;; as governed by the terms of the Lisp Lesser GNU Public License
+;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
+;;;; *************************************************************************
+
+(declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0)))
+(in-package :uffi)
+
+(defun process-function-args (args)
+  (if (null args)
+      #+lispworks nil
+      #+allegro '(:void)
+      #+cmu nil
+      #+mcl nil
+      (let (processed)
+       (dolist (arg args)
+         (push (process-one-function-arg arg) processed))
+       (nreverse processed))))
+
+(defun process-one-function-arg (arg)
+  (let ((name (car arg))
+       (type (convert-from-uffi-type (cadr arg) :routine)))
+    (if (and (listp type) (listp (car type)))
+       (append (list name) type)
+      (list name type))
+    ))
+
+(defun allegro-convert-return-type (type)
+  (if (and (listp type) (not (listp (car type))))
+      (list type)
+    type))
+
+;; name is either a string representing foreign name, or a list
+;; of foreign-name as a string and lisp name as a symbol
+
+
+(defmacro def-function (names args &key module returning)
+  (declare (ignore module))
+  
+  (let* ((result-type (convert-from-uffi-type returning :return))
+        (function-args (process-function-args args))
+        (foreign-name (if (atom names) names (car names)))
+        (lisp-name (if (atom names) (make-lisp-name names) (cadr names))))
+    `(eval-when (:compile-toplevel :load-toplevel :execute)
+       (ccl:define-entry-point (,lisp-name ,foreign-name)
+         ,function-args
+         ,result-type))))
+
+
+(defun make-lisp-name (name)
+  (let ((converted (substitute #\- #\_ name)))
+     (intern 
+      #+case-sensitive converted
+      #-case-sensitive (string-upcase converted))))
+
+